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The Active Figure illustrates the motion of a projectile launched from level ground with an initial speed of 50 m/s. You can vary the initial angle with the blue slider. Click the fire button and observe the motion of the projectile. After the motion is complete, you can move your mouse to obtain the (x, y) coordinates of any point along the trajectory.
Consider the case of a projectile launched from level ground. Examples include a golf ball hit from a tee on a level golf course and a place-kicked football. Let us analyze the motion of the projectile to determine the following:
(A) time to reach the maximum height
(B) the maximum height attained
(C) the entire time of flight
(D) the range
(E) the angle that gives the maximum range
Diego, Mighty Sled Dog of the North, pulls a 45.0 Kg sled across level snow with a force of 225 N on a rope that is 35.0 degree above the horizontal. Make a drawing of the situation. This is Diego; use him in your drawing.
A certain lightbulb is rated at 60.0 W when operating at an rmsvoltage of 1.20 x 102 V. (a) What is the peak voltage applied across the bulb? (b) What is the resistance of the bulb?(c) Does a 1.00 x 102 W bulb have greater or lessresistance than a 60..
Most people perceive light having a wavelength between 630nm and 700nm as red and light with a wavelength between 400nm and 440nm as violet. Calculate the approximate frequency range for violet light.
If the convection heat transfer coefficient is 15 Btu/h · ft2· °F and the emissivity of the surface is 0.8, determine the total rate of heat transfer from the ball.
in a game of pool the cue ball strikes another ball of the same mass and initially at rest. after the collision the cue
The active element of a certain laser is an ordinary glass rod 19.5 cm long and 1.37 cm in diameter. Calculate its increase in volume
As a space craft approaches a planet, the rocket engines on it are fired to slow it down so it will go into orbit around the planet. how long must the engines be fired
The bathyscaphe Trieste consists of a cylindrical hull, 15.2 m long and 3.66 m in diameter, filled with gasoline with a density of 880 kg/m3 to make it buoyant. What is the weight of the craft
an ice skater is moving forward at a steady speed of 10 ms in a straight line. show and explain your calculation in
What is the acceleration of an automobile of mass 3.01 x 103 kg when it is subjected to a forward force of 4.03 x 103 N? Is this going forward or rearward
If the bullet has a mass of 21.5 and a speed of 310 , how high would the block rise into the air after the bullet becomes embedded in it.
At the bottom of its path, the ball strikes a 4.90 kg steel block initially at rest on a frictionless surface. The collision is elastic. Find (a) the speed of the ball and (b) the speed of the block, both just after the collision.
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